22212000121211 has 8 divisors (see below), whose sum is σ = 22224573132384. Its totient is φ = 22199427596160.

The previous prime is 22212000121133. The next prime is 22212000121217. The reversal of 22212000121211 is 11212100021222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212000121211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212000121211.

It is not an unprimeable number, because it can be changed into a prime (22212000121217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130745555 + ... + 130915331.

It is an arithmetic number, because the mean of its divisors is an integer number (2778071641548).

Almost surely, 2^{22212000121211} is an apocalyptic number.

22212000121211 is a deficient number, since it is larger than the sum of its proper divisors (12573011173).

22212000121211 is a wasteful number, since it uses less digits than its factorization.

22212000121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243061.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22212000121211 its reverse (11212100021222), we get a palindrome (33424100142433).

The spelling of 22212000121211 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-one thousand, two hundred eleven".